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updated 8 days ago

PCA.zip by Jason Joseph Rebello

PCA : reduce features used in face recognition (face recognition, machine learning, pca)

displayData(X, example_width)

findK(S, variance)

normalizeFeatures(X)

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updated 25 days ago

Fast SVD and PCA by Vipin Vijayan

Fast truncated SVD and PCA rectangular matrices (singular value decomp..., svd, principal component a...)

pcaecon(X,k)

pcasecon(X,k)

svdecon(X)

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updated 4 months ago

Fast 2-D convolution by David Young

Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases. (2d, convolution, filtering)

convolve2(x, m, shape, tol)

exindex(arr, varargin)

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updated 7 months ago

color image dwt svd watermarking by Selva

blind watermarking (image processing, watermark, dwt)

embedd.m

extract.m

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updated 7 months ago

rdwt - svd image watermarking by Selva

blind watermark (image processing, rdwt, svd)

PSNRCalc(X,Xhat)

em.m

ew.m

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updated 1 year ago

Principal Component Analysis (PCA) by Jason Rebello

PCA : reduce features used in face recognition (pca, principal component a..., svd)

displayData(X, example_width)

findK(S, variance)

normalizeFeatures(X)

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updated 1 year ago

Neural Data Toolbox (NDTb) by Lukas Maly

Neural Data Toolbox (NDTb) is toolbox developed for neuroscience data processing. (neural data toolbox, ndtb, fmri)

ndtb.m

ndtb_3dviz_gui.m

ndtb_anon_gui.m

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updated 1 year ago

Total Least Squares Method by Ivo Petras

Mathematical method known as total least squares or orthogonal regression or error-in-variables. (total least squares, orthogonal regression, errorinvariables)

[Err, min_param]=numerFminD(fun, p, LBa, UBa, xdata, ydat...

[Err, min_param]=numerFminS(fun, p, LBa, UBa, xdata, ydata)

[F, Srez, Scel]=statindexes(XData, YData, a, b)

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updated 1 year ago

Soft Independent Modeling of Class Analogy (SIMCA) by Cleiton Nunes

M-files for classes modeling and prediction by SIMCA (chemometrics, classification, simca)

simca.m

simcapred.m

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updated 1 year ago

Face Recognition Software by Omid Sakhi

Face recognition software using Hidden Markov Models (HMM) and SVD features for education and study. (face recognition soft..., face recognition code, svm)

facerec(filename,myDatabase,minmax)

gendata()

getcam()

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updated almost 2 years ago

Image Fusion Technique using Multi-resolution Singular Value Decomposition by VPS Naidu

A novel image fusion technique based on multi-resolution singular value decomposition (MSVD) has bee (image fusion, image processing, svd)

IMSVD(Y,U)

MSVD(x)

msvdimfusedemo.m

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updated almost 3 years ago

Don't let that INV go past your eyes; to solve that system, FACTORIZE! by Tim Davis

A simple-to-use object-oriented method for solving linear systems and least-squares problems. (factorization, backslash, mldivide)

cheap_condest (d, fail_if_singular)

cod (A, tol)

cod_qmult (Q, X, method)

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updated almost 4 years ago

Significance of Singular Values by Iftekhar Tanveer

This matlab code is intended to demonstrate the interpretation of the singular values (singular valued decom..., svd, meaning)

Information_Content.m

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updated 4 years ago

Separate Kernel in 1D kernels by Dirk-Jan Kroon

Decompose an arbitrary N dimensional filtering kernel into 1D kernels, for faster filtering (image, 2d, 3d)

[K1 KN ERR]=SeparateKernel(H)

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updated almost 5 years ago

SVD-based Image Quality Measure by Athi

A Graphical & Numerical image quality measure based on Singular Value Decomposition (image processing, image quality, image quality measure)

MatDec(inImg, blkSize)

SVDQualityMeasure(refImg, distImg, blkSize)

SampleUsage.m

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updated 5 years ago

Sign correction in SVD and PCA by Rasmus Bro

Determines the right sign of the singular vectors in SVD (score- and loading vectors in PCA) (svd, evd, chemometrics)

sign_flip(loads,X)

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updated almost 7 years ago

smxl by Giampiero Campa

The Simulink MatriX Library (SMXL) - a collection of blocks that handle matrices in Simulink. (simulink, matrix, matrices)

demos

slblocks

contents.m

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updated almost 8 years ago

Simple SVD by Paul Godfrey

SVD computation using QR decomposition (linear algebra, svd, singular)

svdsim(a,tol)

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updated almost 8 years ago

Adjugate (adjoint) of a Square Matrix by Roger Stafford

Calculates the adjugate (adjoint) matrix for a square matrix. (linear algebra, adjugate, adjoint)

det(u*v')*v*diag(prod(reshape(s0(ix),n-1,n),1))*u';

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updated 10 years ago

CONCOR method by Roger Lafosse

Analyses of the links between subsets of variables measured on one set of cases. (statistics, probability, factor analyses)

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updated 10 years ago

Image Compression by Luigi Rosa

Demo source code for image compression. (compression, image compression, dct)

btcode (infile,bx,by,outfile)

conv2fft(z1,z2,shape,shape2)

convfft(z1,z2)

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